Kenwood 1050MD Service Manual page 23

AO AP
Q Q
3 7 6 3 1 5 1 5 0
IC10,11
REC IN AMP
(ANALOG)
-12V
R105
150
R106
150
R100
5.1V
X
IC8
0V 330
6
1 20
R107
- 7 0V
HP DIFO
1K
0V 5
2 19 +
OVFL 0V DIF1
IC3
3 18
(2/2)
VA+ RST
+
4 17 0V C108
A GND AINL+
100P
5 16 0V ANALOG +5V
D GND AINL- C109
STABILIZATION
6 15 0V 100P
VD+ CM OUT
7 14 0V R108
MCLK AINR-
150
8 13 0V
SCLK AINR+
9 12 2.5V
S DATA LRCK
X
C113 C112
10 11 5.1V
FRAMF PU
47P 100P
R109
150
C101 100u10
T E
20BIT A/D
L 1 3 9 4 2 2 9 6 5 1 3
+
CONVERTER
C102 560P
D30
C92
330u6.3
+
C91 0.01
R196
1.8
C50 0.01
C95
330u6.3
31
+
32
DAC TEST 0
C96
33
DAC TEST 1
34 0.01
LZ
35
GND AL
36 4.3K
LO+
4.3K
37
LO-
IC6 38
VDAL
39
D.R.I.V.E.&
VDAR
D/A CONVERTER
40 R85 4.3K
RO-
41 4.3K
RO+
42
GND AR
43
RZ
44
RESET N R177
45 4.7K
DAC TEST 2
D28
X1
R81
+
1M
w w w
.
AQ AR
IC21,22
INVERTER
X
C204 47P
X
R206 100K
+5V
X
IC22(3/4)
6
C202 47P
R203 100K
IC21
0V
8
10.9V 8 3
IC10(1/2)
1 +
2 0V
- 5.2V
Lch 0V -11.6V
4
-12V
C153 R114
C149
22u35 47P 100 R120
+
6.8K
2.6V X
R119 C208 22P
13K
0V
X
R210 100K
R117 C154
7
330 10P 0V
13
C150 6
22u35
7 -
5
+
+ 2.6V
IC10
14
(2/2)
IC11
(2/2)
C151
5
22u35 7 +
6
+
-
0V
0V
R118 C155
330 10P
R116
13K
C152
22u35 R115 6.8K
+
C156 R121
47P 100
Rch
IC11
(1/2)
4 2 0V
0V 1 -
3
+
8
10.9V
X
R153
X
X
C127 R142
IC14
0V 0V 0V
X (1/2)
R145 6 R161 R163
820 820 R140
- 7 2
X
R152 100
5 -
+
3
IC14 +
8
C132 1
(2/2) 4
0V 0.01 0V
R82
R84
+12V
-12V
R83
IC13 0V
4
0V 3 R156
(2/2)
X
R150 5 8 R158 R160 + 100
820 820
+ 2
X
R151 -
6 1
-
7 0V
IC13
X X
(1/2)
C130 R141 0V
0V
X
R157
MUTE
ON:-11.6V
OFF: 4.9V
IC13,14
Q16-19 Q20,32
BUFFER MUTE
MUTE
CONTROLLER
x a o
y
i
AS AT
C205 10P
8
R207 100K
A1
7
2 1
1
OUT
OPT.
IC21
14
C290 0.01
(1/6) 2
2
+ GND DM-9090
3
+5V VDD
1 DM-5090
X
R205 100K
X
C203 22P
X
R204 10K 2.6V
X
X
X
IC22(2/4)
IC22(1/4) X
J4
C209
5 4 3 2 1 0.1
1 COAX
1
1.0V 2.8V
R202 100K
C201 22P
R201 10K
(4/6) IC21 (5/6)
IC21 (6/6)
J3
C210
9 10 11 12 13 0.1 3
DM-9090
COAX
1
1.1V 2.8V
2.7V 2
DM-5090
C206 47P
R208 10K 2.6V
2.5V COAX
2
R240 C211 R211 R218
3 4
220 0.1 330 15
A2
IC21
(2/6)
1
GND OPT.
5 6
C231 47u16
2
VDD
+
12 3
OUT
C214 0.01
IC21
X
(3/6)
IC22
R219 220
(4/4)
+5V
DM-9090
X14-E/5
-CN3
X
WH1
R143
6 L-FIX
3/3
100
5 L-VAL
4 GND
D
3 GND
2 R-VAL
R144
1 R-FIX
100
X
Q Q J1
C165
3 7 6 3
22u35
1 Lch
+
INPUT
C166
22u35
2 Rch
+
-12V
3 Rch
+12V
OUTPUT
4 Lch
C241 R166 R170 R174
1 L OUT
47u50 100 100 100
2 GND
+
R167 R171
3 R OUT
1K 1K
4 MUTE
Q16 Q17
5 +12V
6 -12V
X
CN12
X
CN7
1 L OUT
R168 R172
1K 1K
2 L OUT
3 GND
Q18 Q19
C142
4 R OUT
47u50 R169 R173 R175
+ 5 MUTE
100 100 100
+12V 6 +12V
-12V -12V 7 -12V
X
CN11
Q20 Q32 ON:OV
OFF: 4.9V
1 L+
X
W7
2 L-
R191 3.3K 1/4W +12V 3 +12V
R176 R192 3.3K 1/4W 4 GND
11.0V
330 5 GND
MUTE ON:2.1V
OFF:-7.7V
-12V 6 -12V
( )
7 7 R-
(
)
u 1 6 3 8 8 R+
+12V
.
1050MD/DM-5090/DM-9090 (2/3)
AU AV
2SA954 2SC2458
2 4
9 9 8
X32-
WH1
3/3
C
DM-9090 (X25-5940-11) ,
DESTINATION C45,46, C123,124, C127- C139, C203,204,208,
UNIT No. A C B
COUNTRY ABB. , 113,315, 169,170 130 140
U.K. T
0-01 YES NO NO 330P 1500P 120P
EUROPE E
IC22, L3 Q21, R28,29,190,238,
UNIT No. E1 IC8 J1 J2 J3 J4
27 ~6 22
297,352,373,374
0-01 YES CS5335 YES E63-0121-05 NO E63-0174-05 YES NO NO
R141, R145, R153- R178,179,194,199,204-206,210, W1- W4,
UNIT No. R371
142
150-152 R155,157 213,215,288,289,295,296,372 3,5 6,7
0-01 100 4.7K 1.5K YES 110K NO YES
DM-5090 (X25-594X-XX)
DESTINATION
C45,46, C123,124,139, C127- C203,204,208,
UNIT No. A B C
113 140,169,170, 130 209,316
COUNTRY ABB.
JAPAN J 0-02 YES
U.S.A. K
GENERAL MARKET M NO YES YES 100P 180P
0-12 NO
U.K. T
EUROPE E
IC22, Q21, R28,29,
UNIT No. E1 IC8 J1 J2 J3 J4 L3,4 L5,6
27 22 190,238
0-02 YES YES YES
NO CS5334 NO E63-0120-05 E63-0160-05 NO YES
0-12 NO NO NO
R145, R153- R178,179,194,199,204- R288,289,295- W1- W4,
UNIT No. R372
150-152 R155,157 206,210,213,215,371 297,352,373,374 3,5 6,7
DM-5090
0-02 YES NO
X14-C/3
3.9K 18K NO YES NO
-CN3
0-12 NO YES
IC1,2 : ICP-N10
2SD2012
IC3 : NJM4558M
IC4 : PST993D-T
IC5 : TL431CLP
IC6,24 : KAN03
IC8 : CS5334
1 5 1 IC10,11,13,14 5 0 : NJM4580ED 8 9 2 4
IC21,22 : TC74HCU04AF
IC23 : LC8904Q
IC25 : SM5844AF
IC26 : TC74HC157AF
IC27 : LC89170M
IC28 : uPD784035GC801
IC29,34 : HM62256BLFP-8T or
HM62256BLFP-7T or NJM4580D
HM62256BLFP12T
IC30,33 : TC74HC373AF
IC31 : UPD784215GF508
or UPD78F4216GF
IC32 : TC74HC4094AF
X14-C/3
IC35 : TA8409S
-E1
IC36,38 : TC74HCT7007AF
IC37 : HD74HCT126FPEL
3/3
IC39 : TC74VHC244F
I Q1,7,11 : 2SD2061 or
2SD2012
Q2 : 2SK246(Y,GR)
Q3 : UN5219 DAP202U
X14-D/5
Q5,6,20-22,25-27 : UN5212
-WH1 DA204U
Q8,24 : 2SA1576A(R,S)
Q9,10,12,23 : 2SC4081(R,S)
3/3
Q13 : 2SC954(L,K)
Q16-19 : 2SD1450(S,T)
E
Q30,32 : UN5112
Q31 : UN5216 or
X32-
DTC143TUA
WH2
D1,11 : D3SBA20F03
3/3
D2,26,30,33-35 : DA204U
D3,18 : U1BC44
F D4,8,12,17,22-24,29,31,32,215
: MA111
DM-9090 DM-5090 D5 : UDZ5.1B
X14-B/5 X14-A/3 D7 : UDZ2.7B
-CN1 -CN2 D9,10,21 : S5688B(TPB5)
D13 : UDZ5.6B
3/3
D14,15 : MA113
m
D16 : UDZ6.2B
D19 : UDZ18B
G
D20 : UDZ15B
D28 : DAP202U
c o
DM-9090 DM-5090
X00-B/2 X00-A/2
-E1 -E1 DIGITAL RECORD LINE (DIGITAL INPUT)
DIGITAL PLAYBACK LINE (DIGITAL OUTPUT)
DIGITAL LINE
3/3
GND LINE
+B +B LINE
H
-B LINE 1050MD/DM-5090/DM-9090
-B
Y22-7000-00
AW AX
2SB798-DL
DTA144EUA
DTC114YUA
DTC143TUA 2
9 9
UN5216
UN5219
2SC4081
2SD2061
CN7, D24,
CN12
209,316 10,11 215
YES YES NO NO
R124,
R30
180
NO 330 330K
WH1
2SC3311A
E35-1974-05
CN7, D24,
C315 CN12
10,11 215
YES YES
NO NO YES
NO NO
R124, R141,
FMW1
R30
180 142
YES 10 56K 330
WH1
E35-2021-05
NJM4580E TA8409S
9 8 2 9 9
NJM4558M TC74HC4094AF
NJM4580ED
UN5212 2SK246
HM62256BLFP12T TC74HCT7007AF
TC74HCU04AF
TC74VHCU04F